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Area of ​​a triangle using Heron's formula

calculator calculates the area of ​​a triangle after a length of three sides.                


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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
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Conversion between number bases

Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.      
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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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LPG Calculator - Cost-effectiveness of the gas system in the car

The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.
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NIP correctness in Poland

Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered
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Whether a number is prime

Checks the user number is a prime number.
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Calculator for calculating the volume of a cylinder

Jak obliczyć objętość walca?
The calculator calculates the volume of a cylinder with using of height and area.
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Calculator horsepower - power converter of kilowatts (kW)

Jak obliczyć konie mechaniczne?
Calculator calculates the stated amount of kilowatts to horsepower, taking into account effectiveness.